A hot air circulating drying equipment for morel mushroom food processing

Abstract

This utility model discloses a hot air circulating drying device for morel mushroom food processing, including a drying box. Both the left and right ends of the drying box are connected to a material inlet, through which a chain conveyor belt passes. A hot air blower is located at the rear end of the drying box. Two sets of fixed plates are symmetrically arranged at the rear end of the drying box, with air distribution pipes located inside the two sets of fixed plates. The output end of the hot air blower is connected to the air distribution pipes. Air blowing pipes are located on the right side of the top end and the left side of the bottom end inside the drying box. The output ends of the two sets of first pipes pass through the rear end of the drying box and are connected to the two sets of air blowing pipes. A second pipe is provided at one input end of an air pump, with the input end of the second pipe connected to the upper front side of the drying box and the output end of the air pump connected to the lower front side of the drying box. The diagonal bidirectional hot air can break up "wet zones," has strong airflow penetration, and the moisture content difference between the upper and lower layers is ≤2%, improving the drying uniformity.

Description

Technical Field

[0001] This utility model relates to the field of morel mushroom food processing technology, and more specifically, it relates to a hot air circulating drying device for morel mushroom food processing. Background Technology

[0002] Morel mushrooms, scientifically known as Morchellas pp., are named for their caps, which have an uneven surface resembling a sheep's stomach. They are a rare and precious wild edible mushroom, hailed as the "King of Mushrooms" and "Diamond of the Forest," possessing extremely high nutritional, medicinal, and economic value.

[0003] After harvesting, morel mushrooms will inevitably be processed using drying equipment to remove internal moisture, making them easier to preserve.

[0004] The existing drying equipment has an unreasonable airflow circulation, with hot air flowing in one direction. High humidity moisture cannot be discharged in time, forming a "wet zone" and prolonging the drying time. In addition, the fan is located at the top or side wall, and the hot air blows directly, causing the morel mushrooms to be too dry at the top and still damp at the bottom, resulting in uneven drying. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the problems existing in the prior art, this utility model provides a hot air circulating drying device for morel mushroom food processing, which solves the technical problem mentioned in the background art where the fan is located at the top or side wall, and the hot air blows directly, causing the top of the morel mushrooms to be too dry while the bottom remains damp, resulting in uneven drying.

[0007] Technical solution

[0008] To achieve the above objectives, this utility model provides the following technical solution:

[0009] A hot air circulating drying device for morel mushroom food processing includes a drying chamber with material inlets connected to both the left and right ends. A chain conveyor belt passes through the material inlets. A hot air blower is located at the rear end of the drying chamber. Two sets of fixed plates are symmetrically arranged at the rear end of the drying chamber. Air distribution pipes are installed inside the two sets of fixed plates. The output end of the hot air blower is connected to the air distribution pipes. First pipes are installed at the upper and lower parts of the air distribution pipes. Air blowing pipes are installed on the right side of the top end and the left side of the bottom end inside the drying chamber. The output ends of the two sets of first pipes pass through the rear end of the drying chamber and are connected to the two sets of air blowing pipes. A preheating chamber is located at the right end of the drying chamber. Material inlets are connected to both the left and right ends of the preheating chamber. An air pump is located at the front end of the drying chamber. A second pipe is installed at the input end of the air pump. The input end of the second pipe is connected to the upper side of the front end of the drying chamber. The output end of the air pump is connected to the lower side of the front end of the drying chamber.

[0010] This invention is further configured such that two sets of upright plates are arranged on the left side of the drying chamber and two sets of upright plates are arranged on the right side of the preheating chamber. Sprockets are rotatably mounted on the inner ends of the two sets of upright plates on the left and the two sets of upright plates on the right. A motor is mounted on the outer end of one set of upright plates, and the output end of the motor is connected to one set of sprockets. The two sets of sprockets mesh with the chain conveyor belt. Morel mushrooms are placed on the top right side of the chain conveyor belt, and then the motor is turned on. The motor drives the left sprocket to rotate, which in turn drives the chain conveyor belt to transport the morel mushrooms from right to left. The morel mushrooms are then introduced into the drying chamber through the material inlet on the right side of the drying chamber after passing through the preheating chamber. The motor is then turned off, and hot air blown from the two sets of air blowers dries the morel mushrooms on the chain conveyor belt. This allows for continuous feeding and discharging, improving drying efficiency.

[0011] This utility model is further configured such that the input end of the air pump is provided with a dehumidification box, the output end of the second pipe is connected to the top of the dehumidification box, two sets of fixing frames are provided at the outer end of the dehumidification box, the two sets of fixing frames are installed at the front end of the drying box, a mesh frame is provided inside the dehumidification box, a desiccant is stored in the mesh frame, an installation plate is provided at the front end of the mesh frame, an installation port is provided in the middle of the front end of the dehumidification box, the installation plate is located at the installation port, and a wristband is provided at the front end of the installation plate. When dehumidification is required in the drying box, the air pump is turned on, and air is introduced into the dehumidification box through the second pipe. The desiccant in the mesh frame absorbs the moisture in the air, and the dehumidified air is guided back into the drying box through the air pump. This cycle is repeated to dehumidify the air in the drying box, thereby improving the drying speed of morel mushrooms.

[0012] The present invention is further configured such that a second air pump is provided at the top of the drying chamber, a third pipe is provided at the input end of the second air pump, the input end of the third pipe is connected to the top of the drying chamber, and a fourth pipe is provided at the output end of the second air pump, the output end of the fourth pipe is connected to the top of the preheating chamber. When it is necessary to preheat the morel mushrooms in the preheating chamber, the second air pump is turned on, and part of the hot air in the drying chamber is introduced into the preheating chamber through the third pipe and the second air pump and the fourth pipe to preheat the morel mushrooms on the chain conveyor belt. The residual heat in the drying chamber is used to preheat the fresh products, reducing the main heating energy consumption by more than 20%.

[0013] The present invention is further configured such that: a sliding plate is provided at the left and right ends of the placement mesh frame; a sliding groove is provided at the left and right ends of the dehumidification box; the two sets of sliding plates slide within the two sets of sliding grooves; a locking plate is provided at the left and right sides of the front end of the mounting plate; bolts are movably provided on the two sets of locking plates; a locking block is provided at the front side of the left and right ends of the dehumidification box; threaded grooves are provided at the outer ends of the two sets of locking blocks; and the two sets of bolts are threadedly connected to the two sets of threaded grooves. When it is necessary to replace the desiccant in the placement mesh frame, the two sets of bolts are unscrewed, and then the mounting plate is pulled forward using the hand ring. The two sets of sliding plates then slide out within the two sets of sliding grooves of the dehumidification box, thereby removing the placement mesh frame from the dehumidification box. This facilitates the removal of the placement mesh frame from the dehumidification box and makes it easier to replace the desiccant in the placement mesh frame subsequently.

[0014] The present invention is further configured such that a sealing plug is provided at the rear end of the mounting plate, and the sealing plug is sealed and snapped into the placement mesh frame. When the placement mesh frame is removed from the dehumidification box, the mounting plate is pulled outward by the wristband, and the sealing plug is separated from the placement mesh frame, thereby removing the mounting plate from the placement mesh frame. After that, the desiccant in the placement mesh frame can be replaced, which facilitates the replacement of the desiccant in the placement mesh frame.

[0015] The present invention is further configured such that both sets of air blowers are provided with air blower hoods at their output ends. By providing air blower hoods, the area from which hot air is blown can be expanded, thereby improving the uniformity and efficiency of drying morel mushrooms.

[0016] Beneficial effects

[0017] Compared with the prior art, this utility model provides a hot air circulating drying device for morel mushroom food processing, which has the following beneficial effects:

[0018] 1. A chain conveyor belt is installed through the two sets of material inlets of the drying chamber. A hot air blower is installed at the rear end of the drying chamber. The output end of the hot air blower is connected to the air distribution pipe. A first pipe is installed at the upper and lower parts of the air distribution pipe. Air blowing pipes are installed at the top right and bottom left of the drying chamber. The output ends of the two sets of first pipes pass through the rear end of the drying chamber and are connected to the two sets of air blowing pipes. A preheating box is installed at the right end of the drying chamber. Material inlets are connected to the left and right ends of the preheating box. A preheating box is installed at the front end of the drying chamber. An air pump is provided, with a second pipe connected to the input end of the air pump. The input end of the second pipe is connected to the upper front side of the drying chamber, and the output end of the air pump is connected to the lower front side of the drying chamber. When the hot air blower is turned on, the air enters the hot air blower, is heated, and then blown out through the air distribution pipe and two sets of first pipes by two sets of air blowing pipes. The two sets of air blowing pipes blow hot air to dry the morel mushrooms. The diagonal bidirectional hot air can break up the "wet zone", the airflow has strong penetration, and the difference in moisture content between the upper and lower layers is ≤2%, which improves the drying uniformity.

[0019] 2. Sprockets are rotatably installed at the inner ends of the two sets of upright plates on the left and the two sets of upright plates on the right. The output end of the motor is connected to one set of sprockets. The two sets of sprockets mesh with the chain conveyor belt. The morel mushrooms are placed on the top right side of the chain conveyor belt. Then the motor is turned on, and the motor drives the left sprocket to rotate. The left sprocket drives the chain conveyor belt to transport the morel mushrooms from right to left. The morel mushrooms are then introduced into the drying chamber through the material port on the right side of the drying chamber after passing through the preheating box. Then the motor is turned off, and the hot air blown out by the two sets of air blowers dries the morel mushrooms on the chain conveyor belt. This allows for continuous feeding and discharging, improving the drying efficiency.

[0020] 3. The input end of the air pump is equipped with a dehumidification box, and the output end of the second pipe is connected to the top of the dehumidification box. The dehumidification box is equipped with a mesh frame containing desiccant. A mounting plate is provided at the front end of the mesh frame, and the mounting plate is located at the installation port of the dehumidification box. When dehumidification is required in the drying box, the air pump is turned on, and air is introduced into the dehumidification box through the second pipe. The desiccant in the mesh frame absorbs the moisture in the air, and the dehumidified air is returned to the drying box through the air pump. This cycle is repeated to dehumidify the air in the drying box, thereby improving the drying speed of morel mushrooms. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of a hot air circulating drying device for morel mushroom food processing according to this utility model. Figure 1 ;

[0022] Figure 2 This is a schematic diagram of the overall structure of a hot air circulating drying device for morel mushroom food processing according to this utility model. Figure 2 ;

[0023] Figure 3 This is a schematic diagram of the connection structure between the first tube, the blower tube, and the blower hood in this utility model;

[0024] Figure 4 This is a schematic diagram of the connection structure between the air pump, the dehumidification box, and the second pipe in this utility model;

[0025] Figure 5 This is a schematic diagram of the connection structure between the dehumidification box, the sliding plate, and the locking block in this utility model;

[0026] Figure 6 This is a schematic diagram of the connection structure between the mounting plate, locking plate, and bolts in this utility model.

[0027] In the diagram: 1. Drying oven; 2. Chain conveyor belt; 3. Hot air blower; 4. Fixing plate; 5. Air distribution pipe; 6. First pipe; 7. Air blowing pipe; 8. Preheating box; 9. Air pump one; 10. Second pipe; 11. Vertical plate; 12. Sprocket; 13. Motor; 14. Dehumidification box; 15. Fixing frame; 16. Placement frame; 17. Mounting plate; 18. Hand ring; 19. Air pump two; 20. Third pipe; 21. Fourth pipe; 22. Slide plate; 23. Locking plate; 24. Locking block; 25. Bolt; 26. Sealing plug; 27. Air blowing cover. Detailed Implementation

[0028] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0030] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0031] Please see Figure 1-6 A hot air circulating drying device for morel mushroom food processing includes a drying chamber 1. Both the left and right ends of the drying chamber 1 are connected to material inlets, through which a chain conveyor belt 2 passes. A hot air blower 3 is located at the rear end of the drying chamber 1. Two sets of fixed plates 4 are symmetrically arranged at the rear end of the drying chamber 1. Air distribution pipes 5 are installed inside the two sets of fixed plates 4. The output end of the hot air blower 3 is connected to the air distribution pipes 5. First pipes 6 are installed at the upper and lower parts of the air distribution pipes 5. The top right end of the drying chamber 1... Air blowers 7 are provided on the left side and bottom. The output ends of the two sets of first pipes 6 pass through the rear end of the drying chamber 1 and are connected to the two sets of air blowers 7. A preheating chamber 8 is provided on the right end of the drying chamber 1. The left and right ends of the preheating chamber 8 are connected to material inlets. An air pump 9 is provided at the front end of the drying chamber 1. A second pipe 10 is provided at the input end of the air pump 9. The input end of the second pipe 10 is connected to the upper side of the front end of the drying chamber 1. The output end of the air pump 9 is connected to the lower side of the front end of the drying chamber 1.

[0032] In this embodiment, by turning on the hot air blower 3, the air entering the hot air blower 3 is heated and then blown out through the air distribution pipe 5 and the two sets of first pipes 6 by the two sets of air blowing pipes 7. The two sets of air blowing pipes 7 blow hot air to dry the morel mushrooms. The diagonal bidirectional hot air can break the "wet zone", the airflow has strong penetration, and the difference in moisture content between the upper and lower layers is ≤2%, which improves the uniformity of drying.

[0033] Please see Figures 1-3 As one embodiment of the chain conveyor belt 2, the drying box 1 in this utility model is provided with two sets of upright plates 11 on the left and the preheating box 8 is provided with two sets of upright plates 11 on the right. The inner ends of the two sets of upright plates 11 on the left and the two sets of upright plates 11 on the right are rotatably provided with sprockets 12. A motor 13 is provided at the outer end of one set of upright plates 11. The output end of the motor 13 is connected to one set of sprockets 12. The two sets of sprockets 12 mesh with the chain conveyor belt 2.

[0034] Specifically, the morel mushrooms are placed on the top right side of the chain conveyor belt 2, and then the motor 13 is turned on. The motor 13 drives the left sprocket 12 to rotate, and the left sprocket 12 drives the chain conveyor belt 2 to transport the morel mushrooms from right to left. The morel mushrooms are then introduced into the drying chamber 1 through the material port on the right side of the drying chamber 1 after passing through the preheating box 8. Then the motor 13 is turned off, and the hot air blown out by the two sets of air blowers 7 dries the morel mushrooms on the chain conveyor belt 2. This allows for continuous feeding and discharging, improving the drying efficiency.

[0035] Please see Figure 1 and Figures 4-6 As one embodiment of the air pump 9, the air pump 9 in this utility model has a dehumidification box 14 at its input end. The output end of the second pipe 10 is connected to the top of the dehumidification box 14. Two sets of fixing brackets 15 are provided on the outer end of the dehumidification box 14. The two sets of fixing brackets 15 are installed at the front end of the drying box 1. A mesh frame 16 is provided inside the dehumidification box 14. The mesh frame 16 contains desiccant. An installation plate 17 is provided at the front end of the mesh frame 16. An installation port is also provided in the middle of the front end of the dehumidification box 14. The installation plate 17 is located at the installation port. A handle is provided at the front end of the installation plate 17. Ring 18, the left and right ends of the mesh frame 16 are provided with sliding plates 22, the left and right ends of the dehumidification box 14 are provided with sliding grooves, the two sets of sliding plates 22 slide in the two sets of sliding grooves, the left and right sides of the front end of the mounting plate 17 are provided with locking plates 23, the two sets of locking plates 23 are movably provided with bolts 25, the front sides of the left and right ends of the dehumidification box 14 are provided with locking blocks 24, the outer ends of the two sets of locking blocks 24 are provided with threaded grooves, the two sets of bolts 25 are threadedly connected to the two sets of threaded grooves, the rear end of the mounting plate 17 is provided with a sealing plug 26, the sealing plug 26 is sealed and snapped into the mesh frame 16;

[0036] Specifically, when dehumidification is required inside the drying chamber 1, air is introduced into the dehumidification chamber 14 through the second pipe 10 by turning on the air pump 9. The desiccant placed in the mesh frame 16 absorbs the moisture in the air, and the dehumidified air is returned to the drying chamber 1 by the air pump 9. This cycle is repeated to dehumidify the air inside the drying chamber 1, thereby improving the drying speed of the morel mushrooms. When the desiccant in the mesh frame 16 needs to be replaced, the two sets of bolts 25 are unscrewed, and then the mounting plate 17 is pulled forward using the hand ring 18. The sliding plate 22 slides out from the two sets of sliding grooves in the dehumidification box 14, thereby removing the mesh frame 16 from the dehumidification box 14. This facilitates the removal of the mesh frame 16 from the dehumidification box 14, making it easier to replace the desiccant inside the mesh frame 16 later. After the mesh frame 16 is removed from the dehumidification box 14, the mounting plate 17 is pulled outward by the wristband 18, and the sealing plug 26 separates from the mesh frame 16, thereby removing the mounting plate 17 from the mesh frame 16. After that, the desiccant inside the mesh frame 16 can be replaced, making it easier to replace the desiccant inside the mesh frame 16.

[0037] Please refer to Figures 1-3 As a further embodiment of the preheating box 8: the top of the drying box 1 is provided with an air pump 2 19, the input end of the air pump 2 19 is provided with a third pipe 20, the input end of the third pipe 20 is connected to the top of the drying box 1, and the output end of the air pump 2 19 is provided with a fourth pipe 21, the output end of the fourth pipe 21 is connected to the top of the preheating box 8.

[0038] Specifically, when it is necessary to preheat the morel mushrooms in the preheating box 8, the second air pump 19 is turned on. Some of the hot air in the drying box 1 is introduced into the preheating box 8 through the third pipe 20 and the second air pump 19 via the fourth pipe 21 to preheat the morel mushrooms on the chain conveyor belt 2. The residual heat in the drying box 1 is used to preheat the fresh products, reducing the main heating energy consumption by more than 20%.

[0039] This invention provides air blowers 27 at the output ends of both sets of air blowers 7. By providing air blowers 27, the area from which hot air is blown can be expanded, thereby improving the uniformity and efficiency of drying morel mushrooms.

[0040] In summary, when using the overall equipment:

[0041] Place the morel mushrooms on the top right side of the chain conveyor belt 2, then turn on the motor 13. The motor 13 will drive the left sprocket 12 to rotate, and the left sprocket 12 will drive the chain conveyor belt 2 to transport the morel mushrooms from right to left. The morel mushrooms will then pass through the preheating box 8 and be introduced into the drying box 1 through the material port on the right side. Then turn off the motor 13.

[0042] Once the morel mushrooms are inside the drying chamber 1, the hot air blower 3 is turned on. The air entering the hot air blower 3 is heated and then blown out through the air distribution pipe 5, two sets of first pipes 6 and two sets of air blowing pipes 7 by two sets of air blowing hoods 27. The two sets of air blowing hoods 27 then blow hot air to dry the morel mushrooms.

[0043] When dehumidification is required in the drying chamber 1, the air pump 9 is turned on, and air is introduced into the dehumidification chamber 14 through the second pipe 10. The desiccant placed in the mesh frame 16 adsorbs the moisture in the air. The dehumidified air is then guided back into the drying chamber 1 through the air pump 9. This cycle is repeated to dehumidify the air in the drying chamber 1.

[0044] When it is necessary to preheat the morel mushrooms in the preheating chamber 8, turn on the second air pump 19. Part of the hot air in the drying chamber 1 is introduced into the preheating chamber 8 through the third pipe 20 and the second air pump 19 via the fourth pipe 21 to preheat the morel mushrooms on the chain conveyor belt 2.

[0045] When the desiccant inside the mesh frame 16 needs to be replaced, unscrew the two sets of bolts 25, and then pull the mounting plate 17 forward using the hand ring 18. The two sets of sliding plates 22 will slide out of the two sets of sliding grooves in the dehumidification box 14, thereby removing the mesh frame 16 from the dehumidification box 14. After the mesh frame 16 is removed from the dehumidification box 14, pull the mounting plate 17 outward using the hand ring 18, and the sealing plug 26 will separate from the mesh frame 16, thereby removing the mounting plate 17 from the mesh frame 16. Then, the desiccant inside the mesh frame 16 can be replaced.

[0046] In all the solutions mentioned above, the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although the embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

[0047] In all the solutions mentioned above, the operation of electrical components is controlled by a controller. Since the devices matched with the controllers are common devices, their control principles and circuit connections are existing, well-known, and mature technologies. Therefore, their electrical connection relationships and specific circuit structures will not be elaborated here.

Claims

1. A hot air circulating drying device for morel mushroom food processing, comprising a drying chamber (1), characterized in that: The drying chamber (1) has material inlets connected to both the left and right ends, and a chain conveyor belt (2) runs through the material inlets. A hot air blower (3) is installed at the rear end of the drying chamber (1). Two sets of fixing plates (4) are symmetrically arranged at the rear end of the drying chamber (1). A gas distribution pipe (5) is installed inside the two sets of fixing plates (4). The output end of the hot air blower (3) is connected to the gas distribution pipe (5). A first pipe (6) is installed at the upper and lower parts of the gas distribution pipe (5). A blower pipe (7) is installed on the right side of the top end and the left side of the bottom end inside the drying chamber (1). The output ends of the two sets of first pipes (6) pass through the rear end of the drying box (1) and are connected to the two sets of blowing pipes (7). A preheating box (8) is provided at the right end of the drying box (1). The left and right ends of the preheating box (8) are connected to material inlets. An air pump (9) is provided at the front end of the drying box (1). A second pipe (10) is provided at the input end of the air pump (9). The input end of the second pipe (10) is connected to the upper side of the front end of the drying box (1). The output end of the air pump (9) is connected to the lower side of the front end of the drying box (1).

2. The hot air circulating drying equipment for morel mushroom food processing according to claim 1, characterized in that: Two sets of vertical plates (11) are provided on the left side of the drying box (1) and two sets of vertical plates (11) are provided on the right side of the preheating box (8). The inner ends of the two sets of vertical plates (11) on the left and the two sets of vertical plates (11) on the right are rotatably equipped with sprockets (12). A motor (13) is provided on the outer end of one set of vertical plates (11). The output end of the motor (13) is connected to one set of sprockets (12). The two sets of sprockets (12) mesh with the chain conveyor belt (2).

3. The hot air circulating drying equipment for morel mushroom food processing according to claim 1, characterized in that: The input end of the air pump (9) is provided with a dehumidification box (14), the output end of the second pipe (10) is connected to the top of the dehumidification box (14), the outer end of the dehumidification box (14) is provided with two sets of fixing brackets (15), the two sets of fixing brackets (15) are installed at the front end of the drying box (1), the dehumidification box (14) is provided with a placement mesh frame (16), the placement mesh frame (16) contains desiccant, the front end of the placement mesh frame (16) is provided with an installation plate (17), the middle of the front end of the dehumidification box (14) is connected with an installation port, the installation plate (17) is located at the installation port, and the front end of the installation plate (17) is provided with a wristband (18).

4. The hot air circulating drying equipment for morel mushroom food processing according to claim 1, characterized in that: The top of the drying box (1) is equipped with an air pump 2 (19), the input end of the air pump 2 (19) is equipped with a third pipe (20), the input end of the third pipe (20) is connected to the top of the drying box (1), the output end of the air pump 2 (19) is equipped with a fourth pipe (21), the output end of the fourth pipe (21) is connected to the top of the preheating box (8).

5. A hot air circulating drying device for morel mushroom food processing according to claim 3, characterized in that: The placement frame (16) is provided with a sliding plate (22) at both the left and right ends. The dehumidification box (14) is provided with a sliding groove at both the left and right ends. The two sets of sliding plates (22) slide in the two sets of sliding grooves. The mounting plate (17) is provided with a locking plate (23) at the left and right sides of the front end. The two sets of locking plates (23) are provided with bolts (25). The front side of the left and right ends of the dehumidification box (14) is provided with a locking block (24). The outer end of the two sets of locking blocks (24) is provided with a threaded groove. The two sets of bolts (25) are threadedly connected to the two sets of threaded grooves.

6. A hot air circulating drying device for morel mushroom food processing according to claim 5, characterized in that: The mounting plate (17) is provided with a sealing plug (26) at its rear end, and the sealing plug (26) is sealed and fastened to the placement frame (16).

7. A hot air circulating drying device for morel mushroom food processing according to claim 1, characterized in that: Both sets of blower pipes (7) are equipped with blower covers (27) at their output ends.

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